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Finding the Fourth Proportional to 506,436.94, 698,854.71 and 276,948.94

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Solution

The fourth proportional to 506,436.94, 698,854.71 and 276,948.94 is: 382,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,436.94 : 698,854.71 = 276,948.94 : x
  2. Step 2: Convert to fraction form
    506,436.94/698,854.71 = 276,948.94/x
  3. Step 3: Cross multiply
    506,436.94x = 698,854.71 × 276,948.94
  4. Step 4: Simplify right side
    506,436.94x = 193,547,071,148.51
  5. Step 5: Solve for x
    x = 193,547,071,148.51/506,436.94
  6. Step 6: Final answer
    x = 382,174.08

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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.