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Finding the Fourth Proportional to 292,547.60, 403,715.40 and 158,411.60

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Solution

The fourth proportional to 292,547.60, 403,715.40 and 158,411.60 is: 218,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,547.60 : 403,715.40 = 158,411.60 : x
  2. Step 2: Convert to fraction form
    292,547.60/403,715.40 = 158,411.60/x
  3. Step 3: Cross multiply
    292,547.60x = 403,715.40 × 158,411.60
  4. Step 4: Simplify right side
    292,547.60x = 63,953,202,458.64
  5. Step 5: Solve for x
    x = 63,953,202,458.64/292,547.60
  6. Step 6: Final answer
    x = 218,607.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.