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Finding the Fourth Proportional to 657,807.04, 907,774.59 and 356,001.04

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Solution

The fourth proportional to 657,807.04, 907,774.59 and 356,001.04 is: 491,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,807.04 : 907,774.59 = 356,001.04 : x
  2. Step 2: Convert to fraction form
    657,807.04/907,774.59 = 356,001.04/x
  3. Step 3: Cross multiply
    657,807.04x = 907,774.59 × 356,001.04
  4. Step 4: Simplify right side
    657,807.04x = 323,168,698,125.57
  5. Step 5: Solve for x
    x = 323,168,698,125.57/657,807.04
  6. Step 6: Final answer
    x = 491,281.91

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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.